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Jason Gunthorpe 5c55cfd6a5 RDMA/core: Use READ_ONCE for ib_ufile.async_file 
The writer for async_file holds the ucontext_lock, while the readers are
left unlocked. Most readers rely on an implicit locking, either by having
a uobject (which cannot be created before a context) or by holding the
ib_ufile kref.

However ib_uverbs_free_hw_resources() has no implicit lock and has a
possible race. Make this all clear and sane by using READ_ONCE
consistently.

Link: https://lore.kernel.org/r/1578504126-9400-15-git-send-email-yishaih@mellanox.com
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2020-01-13 16:20:16 -04:00
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accessibility
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acpi
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amba
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android
binder: fix incorrect calculation for num_valid
2019-12-14 09:10:47 +01:00
ata
ata: ahci_brcm: Add missing clock management during recovery
2019-12-25 20:47:24 -07:00
atm
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auxdisplay
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base
Merge branch 'remove-ksys-mount-dup' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux
2019-12-15 11:36:12 -08:00
bcma
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block
Merge tag 'block-5.5-20191226' of git://git.kernel.dk/linux-block
2019-12-27 11:09:04 -08:00
bluetooth
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bus
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cdrom
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char
Merge tag 'char-misc-5.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2019-12-20 10:11:30 -08:00
clk
clk: qcom: Avoid SMMU/cx gdsc corner cases
2019-12-18 22:02:27 -08:00
clocksource
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connector
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counter
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cpufreq
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cpuidle
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crypto
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dax
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dca
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devfreq
PM / devfreq: tegra: Add COMMON_CLK dependency
2019-12-23 10:42:58 +09:00
dio
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dma
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dma-buf
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edac
riscv: move sifive_l2_cache.c to drivers/soc
2019-12-20 03:40:24 -08:00
eisa
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extcon
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firewire
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firmware
Merge branch 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-12-17 10:39:55 -08:00
fpga
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fsi
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gnss
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gpio
Merge tag 'gpio-v5.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
2019-12-27 11:02:48 -08:00
gpu
drm/i915: Hold reference to intel_frontbuffer as we track activity
2019-12-23 14:27:23 +02:00
greybus
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hid
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hsi
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hv
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hwmon
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hwspinlock
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hwtracing
intel_th: msu: Fix window switching without windows
2019-12-17 15:45:59 +01:00
i2c
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i3c
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ide
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idle
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iio
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infiniband
RDMA/core: Use READ_ONCE for ib_ufile.async_file
2020-01-13 16:20:16 -04:00
input
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interconnect
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iommu
Merge tag 'iommu-fixes-v5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
2019-12-20 10:42:25 -08:00
ipack
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irqchip
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isdn
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leds
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lightnvm
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macintosh
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mailbox
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mcb
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md
Merge tag 'for-linus-20191212' of git://git.kernel.dk/linux-block
2019-12-13 14:27:19 -08:00
media
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memory
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memstick
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message
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mfd
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misc
Merge tag 'powerpc-5.5-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2019-12-21 06:17:05 -08:00
mmc
mmc: sdhci-of-esdhc: re-implement erratum A-009204 workaround
2019-12-19 08:13:43 +01:00
mtd
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mux
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net
Merge branch 'mlx5_vdpa' into rdma.git for-next
2020-01-12 19:48:54 -04:00
nfc
nfc: s3fwrn5: replace the assertion with a WARN_ON
2019-12-19 17:33:23 -08:00
ntb
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nubus
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nvdimm
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nvme
Merge tag 'for-linus-20191212' of git://git.kernel.dk/linux-block
2019-12-13 14:27:19 -08:00
nvmem
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of
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-12-22 09:54:33 -08:00
opp
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oprofile
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parisc
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parport
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pci
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pcmcia
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perf
perf/smmuv3: Remove the leftover put_cpu() in error path
2019-12-18 16:15:36 +00:00
phy
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pinctrl
pinctrl: ingenic: Fixup PIN_CONFIG_OUTPUT config
2019-12-16 11:38:20 +01:00
platform
platform/x86: pcengines-apuv2: Spelling fixes in the driver
2019-12-20 19:01:59 +02:00
pnp
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power
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powercap
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pps
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ps3
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ptp
ptp: clockmatrix: add I2C dependency
2019-12-13 15:42:09 -08:00
pwm
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rapidio
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ras
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regulator
Merge tag 'regulator-fix-v5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
2019-12-17 13:08:41 -08:00
remoteproc
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reset
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rpmsg
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rtc
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s390
Merge tag 'block-5.5-20191221' of git://git.kernel.dk/linux-block
2019-12-22 10:36:55 -08:00
sbus
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scsi
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2019-12-27 17:28:41 -08:00
sfi
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sh
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siox
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slimbus
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soc
riscv: move sifive_l2_cache.c to drivers/soc
2019-12-20 03:40:24 -08:00
soundwire
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spi
Merge tag 'spi-fix-v5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
2019-12-17 13:06:31 -08:00
spmi
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ssb
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staging
staging: wfx: fix wrong error message
2019-12-18 15:51:06 +01:00
target
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2019-12-27 17:28:41 -08:00
tc
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tee
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thermal
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thunderbolt
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tty
tty/serial: atmel: fix out of range clock divider handling
2019-12-17 14:17:32 +01:00
uio
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usb
usb: xhci: Fix build warning seen with CONFIG_PM=n
2019-12-18 19:23:42 +01:00
vfio
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vhost
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video
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virt
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virtio
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visorbus
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vlynq
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vme
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w1
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watchdog
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xen
Merge tag 'for-linus-5.5b-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
2019-12-21 06:24:56 -08:00
zorro
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Kconfig
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Makefile
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